What does SIF stand for?
SIF stands for "Serum inhibitory factor"
How to abbreviate "Serum inhibitory factor"?
"Serum inhibitory factor" can be abbreviated as SIF
What is the meaning of SIF abbreviation?
The meaning of SIF abbreviation is "Serum inhibitory factor"
What does SIF mean?
SIF as abbreviation means "Serum inhibitory factor"
